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• Inverted Vee Antenna calculator - An inverted Vee antenna calculator that consider also minimun vertical height and horizontal spread by M0UKD
  [ Hits: 1588 | Votes: 11 | Rating: 6.27 ]
• Helical Antenna Design Calculator - Helical antennas invented by John Kraus give a circular polarized wave. They are one of the easiest to design. Find a tube with a circumference equal to one wavelength, and wrap wire in a helix spaced a quarter wavelengt
  [ Hits: 2162 | Votes: 16 | Rating: 6.63 ]
• J-Pole Calculator - Online J-Pole antenna length calculator
  [ Hits: 1416 | Votes: 19 | Rating: 5.32 ]
• Log-Periodic Dipole Array Calculator - This LPDA calculator is based on the design procedure as described by L. B. Cebik, W4RNL (SK) in the 21st edition of The ARRL Antenna Handbook.
  [ Hits: 483 | Votes: 5 | Rating: 7 ]
• Parallel Square Conductor Transmission Line Calculator - Design a parallel square stock balanced transmission line with this calculator.
  [ Hits: 259 | Votes: 2 | Rating: 10 ]
• Coil-Shortened Dipole Antenna Calculator - Build an effective dipole antenna that needs much less space by adding two loading coils. This online calculator tells you how.
  [ Hits: 1249 | Votes: 9 | Rating: 6.34 ]
• Patch Antenna Calculator - This online microstrip patch antenna calculator determines the length and width of a microstrip patch antenna for a given frequency
  [ Hits: 1179 | Votes: 20 | Rating: 4.86 ]
• Microstrip Patch Antenna Calculator - Microstrip Patch Antenna Calculator determines the length and width in millimeters of a rectangular patch antenna.
  [ Hits: 1149 | Votes: 14 | Rating: 5.35 ]
• Microstrip Patch Antenna Calculator - This calculator calculates the length and width of a patch antenna based on the frequency, dielectric constant of the dielectric and the height of the thickness of the patch antenna substrate.
  [ Hits: 483 | Votes: 2 | Rating: 1 ]

• Line Loss Calculator - Types of coax-cable with rf attenuator calculator, line loss calculator form includes an antenna gain calculator. This coax loss calculator can help you on choosing the right cable for your antenna sysmte.
  [ Hits: 879 | Votes: 3 | Rating: 6.67 ]

• Parallel Circular Conductor Transmission Line Calculator - Design a parallel circular wire balanced transmission line with this online calculator. This calculator is a tool for designing balanced transmission lines with a specific desired characteristic impedance Zc and made of parallel circular conductors of a given diameter d.
  [ Hits: 633 | Votes: 6 | Rating: 4.5 ]

• Yagi antenna and variations - Basic priciples of Yagi antennas and its variations like Quagi antennas, Quad antennas includes pictures, drawings and online calculators by KN9B
  [ Hits: 425 | Votes: 1 | Rating: 9 ]

• ZS6BKW Multi-band Antenna - The ZS6BKW antenna is derived from the G5RV by Brian Austin G0GSF who developed computer programs that were used in conjunction with Smith charts to calculate the optimum dimensions for his variant of the antenna.
  [ Hits: 976 | Votes: 0 | Rating: 0 ]

• adsbScope  ^updated - adsbSCOPE free windows software that can receive ADS-B-frames from a decoder, identifies the aircraft and calculates there positions and can diplay graphically.
  [ Hits: 3955 | Votes: 20 | Rating: 6.5 ]

• Ham Radio Tools - A free app that is a reference guide that includes logging. It also has short Q code reference sheet, common formulas, and an antenna calculator.
  [ Hits: 577 | Votes: 1 | Rating: 10 ]

• WA2HIP Bearing and Distance Calculator - An excel worksheet that can calculate distance and bearing based on your QTH by WA2HIP
  [ Hits: 427 | Votes: 1 | Rating: 8 ]

• ADIF Prefix Calculator - This software loads WPX type ADIF files with the tag and calculates the different callsign prefixes. The software will load and capture the totals for big files. ADIF files must have the .adi file extension.
  [ Hits: 284 | Votes: 0 | Rating: 0 ]

• Capacitance Calculator - An online calculator for designing and evaluating capacitors based on the capacitor's area, separation, number, and dielectric constant
  [ Hits: 255 | Votes: 0 | Rating: 0 ]
• Inductor Calculator - Calculate inductance online, with the cylindrical Coil Inductor Design Equations Formulas Calculator
  [ Hits: 279 | Votes: 1 | Rating: 1 ]

• SARK-100 Pc Scan - A windows program that scans the SARK-100 and plot the SWR Vs frequency. The data can also be stored as an Excel file. The min and max match frequency is calculated. Donationware
  [ Hits: 1904 | Votes: 3 | Rating: 8 ]

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